Answer:
Exposing objects to beams of radiation is called irradiation
Answer:
Density
Explanation:
Each of the three liquids have different densities. Have you ever tried to mix oil and water? They don't mix because they have different densities.
Answer: long handle
Explanation: they are better for tree planting and other hole-digging. Long shovel handles can reach deep into a hole. And you'll get better leverage, which is easier on your back. ... The lighter the shovel, the easier time you will have digging.
Wave speed = (wavelength) x (frequency)
Wave speed = (4 m) x (3.5 /s)
<em>Wave speed = 14.0 m/s</em>